Laser-Produced Plasmas As Radiometric Source Standards For The Vuv And The Soft X-Ray Region

M. Kuhne; J. Fischer; B. Wende

doi:10.1117/12.965024

4 February 1988 Laser-Produced Plasmas As Radiometric Source Standards For The Vuv And The Soft X-Ray Region

M. Kuhne, J. Fischer, B. Wende

Proceedings Volume 0831, X-Rays from Laser Plasmas; (1988) https://doi.org/10.1117/12.965024
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Laser-produced tungsten plasmas have been investigated in respect to their suitability as radiometric source standards covering the wavelength range from 7 nm to 100 nm. The laser system used was a Nd:YAG/Glass system working at X = 1.064 pm with a pulse duration of 17 ns (FWHM) and pulse energies ranging from 100 mJ to 800 mJ in combination with a focusing system of 85 mm focal length. The time-integrated spectral concentration of radiant intensity has been determined with an overall uncertainty of 8 % using the electron storage ring BESSY as a primary standard. Within this uncertainty reproducebility in radiation emission was demonstrated over periods of several months at specific operating conditions. The spectral radiati9p emission reached its maximum at 16.5 nm. For 800 mJ pulse energy an emission of 3.5 x 10 photons/nm/sr was found at 16.5 nm. At present the development of a low cost, single stage YAG-laser based, transportable standard is under way.

Citation Download Citation

M. Kuhne, J. Fischer, and B. Wende "Laser-Produced Plasmas As Radiometric Source Standards For The Vuv And The Soft X-Ray Region", Proc. SPIE 0831, X-Rays from Laser Plasmas, (4 February 1988); https://doi.org/10.1117/12.965024

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